@misc{indiciae6af4bcc5792f,
  title = {Influence of nutrients on feed intake and condition of captive canvasbacks in winter},
  author = {Matthew C. Perry and Wayne J. Kuenzel and Byron K. Williams and John A. Serafin},
  year = {1986},
  doi = {10.2307/3801099},
  url = {https://pubs.usgs.gov/publication/5222099},
  note = {Source identifier: 5222099}
}